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The video discusses the range of sound levels, from soft to loud, and their potential impact on hearing. It explains how sound is measured in decibels, with examples of different decibel levels. The video highlights the risks of exposure to loud sounds, which can cause hearing loss, and offers advice on protecting one's hearing by reducing volume or using ear protection.

What is the main concern with very loud sounds?

• They can be annoying.

• They can cause hearing loss.

• They are difficult to measure.

• They are rare in everyday life.

Which of the following is a measure of sound power?

• Lumens

• Watts

• Hertz

• Decibels

What is the sound level of a quiet living room?

• 120 decibels

• 18 decibels

• 30 decibels

• 85 decibels

At what decibel level can sounds start causing hearing loss?

• 30 decibels

• 60 decibels

• 85 decibels

• 120 decibels

What is a recommended way to protect your ears from loud sounds?

• Wear ear protection.

• Increase the volume.

• Ignore the noise.

• Listen to music more often.